Blue Indicolite Tourmaline 0.92 Ct Clean Octagon Shape 7.4 x 4.3 Mm Natural Gem
Price: $45.09
Product ID: 807239874
Product Name: Tourmaline
Price : $45.09
Weight: 0.92
Jewelry Size: 7.4 x 4.3 x 2.8 Mm
Shape: Octagon
Color: Blue Indicolite
Clarity: IF
Luster: Good
Origin: Nigeria
Treatment: Unheated
Crystal Structure: Trigonal
Hardness: 7 - 7.5
Specific Gravity: 3.0+
Refractive Index: 1.62 - 1.68
Chemical: Na(Li,Al)3Al6(B03)3 Si6O18(OH)4